Journal
BIORESOURCE TECHNOLOGY
Volume 206, Issue -, Pages 93-98Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2016.01.075
Keywords
Biomass; Gasification; Tar removal; Fluidized bed; Fuel gas
Funding
- Natural Science Foundation of China [21306209]
- National Basic Research Program of China [2014CB744303]
- Strategic Priority Research Program of CAS on Clean and High-efficiency Utilization of Low-rank Coal [XDA07050400]
- National Natural Science Foundation of China [U1302273]
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A fluidized bed two-stage gasification process, consisting of a fluidized-bed (FB) pyrolyzer and a transport fluidized bed (TFB) gasifier, has been proposed to gasify biomass for fuel gas production with low tar content. On the basis of our previous fundamental study, an autothermal two-stage gasifier has been designed and built for gasify a kind of Chinese herb residue with a treating capacity of 600 kg/h. The testing data in the operational stable stage of the industrial demonstration plant showed that when keeping the reaction temperatures of pyrolyzer and gasifier respectively at about 700 degrees C and 850 degrees C, the heating value of fuel gas can reach 1200 kcal/Nm3, and the tar content in the produced fuel gas was about 0.4 g/Nm(3). The results from this pilot industrial demonstration plant fully verified the feasibility and technical features of the proposed FB two-stage gasification process. (C) 2016 Published by Elsevier Ltd.
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